Aarti Industries Senior Engineer Interview Questions and Answers

Relay coordination principle ensures that the protective devices operate in a coordinated manner to isolate the faulted section.

• Relay coordination principle is used to ensure that the protective devices operate in a coordinated manner to isolate the faulted section.

• It involves selecting the appropriate time-current characteristic curves for the protective devices.

• The aim is to ensure that the protective device closest ...read more

TG protection details with rated setting

• TG protection refers to transformer generator protection

• Rated setting refers to the maximum allowable current or voltage that the protection system can handle

• The protection system should be able to detect and isolate faults in the TG system

• The rated setting should be set based on the maximum expected fault current or voltage

• The protection system should be regularly tested and mai

NGR function with auto operation

• NGR stands for Neutral Grounding Resistor

• It is used to limit the fault current in a power system

• Auto operation means the NGR is automatically switched on or off based on the system conditions

• This helps in protecting the equipment and personnel from damage or harm

Daily maintenance planning schedule involves scheduling and prioritizing maintenance tasks.

• Create a list of maintenance tasks

• Prioritize tasks based on urgency and importance

• Assign tasks to team members

• Set deadlines for completion

• Regularly review and adjust schedule as needed